On 10/20/2010 7:59 PM, Ralph Castain wrote:
> The error message seems to imply that mpirun itself didn't segfault, but that something else did. Is that segfault pid from mpirun?
>
> This kind of problem usually is caused by mismatched builds - i.e., you compile against your new build, but you pick up the Myrinet build when you try to run because of path and ld_library_path issues. You might check to ensure you are running against what you built with.
The PATH and LD_LIBRARY_PATH are set explicitly (through modules) on the
frontend and each node. The PGI compiler and the OpenMPI I am trying to
run is set for each.